CN106576138A - Zoom dual-aperture camera with folded lens - Google Patents

Zoom dual-aperture camera with folded lens Download PDF

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Publication number
CN106576138A
CN106576138A CN201580042992.7A CN201580042992A CN106576138A CN 106576138 A CN106576138 A CN 106576138A CN 201580042992 A CN201580042992 A CN 201580042992A CN 106576138 A CN106576138 A CN 106576138A
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CN
China
Prior art keywords
focal length
camera
symmetry
axis
sub
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201580042992.7A
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Chinese (zh)
Other versions
CN106576138B (en
Inventor
G·沙布岱
E·戈登堡
G·艾维维
G·巴查尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Core Photoelectric Co Ltd
Corephotonics Ltd
Original Assignee
Core Photoelectric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US14/455,906 external-priority patent/US20160044247A1/en
Priority to CN202110964226.3A priority Critical patent/CN113630540B/en
Priority to CN202311269674.7A priority patent/CN117082326A/en
Priority to CN201811341619.3A priority patent/CN109302553B/en
Priority to CN201811413356.2A priority patent/CN109348112B/en
Priority to CN202311265091.7A priority patent/CN117119281A/en
Priority to CN202311259093.5A priority patent/CN117061850A/en
Priority to CN202311265979.0A priority patent/CN117156246A/en
Priority to CN202311270095.4A priority patent/CN117156247A/en
Priority to CN201811261825.3A priority patent/CN109246347B/en
Application filed by Core Photoelectric Co Ltd filed Critical Core Photoelectric Co Ltd
Priority to CN201811309090.7A priority patent/CN109451212B/en
Priority to CN202110092494.0A priority patent/CN112866534B/en
Priority to CN202310716992.7A priority patent/CN116684719A/en
Priority to CN202311265578.5A priority patent/CN117082325A/en
Priority to CN202311259207.6A priority patent/CN117119280A/en
Publication of CN106576138A publication Critical patent/CN106576138A/en
Publication of CN106576138B publication Critical patent/CN106576138B/en
Application granted granted Critical
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Anticipated expiration legal-status Critical

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
    • G02B13/0065—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element having a beam-folding prism or mirror
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/04—Reversed telephoto objectives
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/45—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums

Abstract

Zoom digital cameras comprising a Wide sub-camera and a folded fixed Tele sub-camera. The folded Tele sub-camera may be auto-focused by moving either its lens or a reflecting element inserted in an optical path between its lens and a respective image sensor. The folded Tele sub-camera is configured to have a low profile to enable its integration within a portable electronic device.

Description

Zoom Based on Dual-Aperture camera with folded optical lenses
Cross-Reference to Related Applications
This application claims in the U.S. Patent Application No. 14/717,258 of the submission of on May 20th, 2015 and in August, 2014 The priority of the U.S. Patent Application No. 14/455,906 submitted to for 10th, the title of the two applications are " with collapsible The zoom Based on Dual-Aperture camera (Zoom dual-aperture camera with folded lens) of mirror ".
Technical field
Presently disclosed theme relates generally to digital camera field, and especially, is related to multiple aperture digital camera.
Background technology
In recent years, the such as movement of cell phone (especially, smart phone), panel computer and laptop computer etc Equipment has become generally existing.Such equipment generally includes one or two compact digital camera, for example, the backward phase of master Machine (that is, dorsad user and being frequently used for lie fallow photography on rear side of the equipment on camera) and secondary forward direction camera (that is, be located at On the front side of equipment and be frequently used for the camera of video conference).
Traditional structure of the design of these magazine many cameras similar to Digital Still Camera, i.e. they include putting Put opticses on the top of imageing sensor (being also called " sensor " below for short) (or a series of several optics Element and major bore).Opticses (also referred to as " opticses ") make incident ray reflect and bend them passing The image of scene is produced on sensor.
The size of these cameras is mainly determined by the height of the size and optics of sensor.These generally pass through lens Focal length (f) and its visual field (FOV) be combined together, it is necessary to be imaged on the sensor of particular size specific FOV lens tool There is specific focal length.FOV is constant for holding, size sensor bigger (for example, in X-Y plane), and focal length and optics are highly It is bigger.
As the size (and especially, the thickness of the equipment of such as smart phone etc) of mobile device constantly reduces, Compact camera size becomes the limiting factor for increasingly becoming device thickness.It is tight to reduce to have been proposed for several approach The camera thickness for gathering is to mitigate this constraint.Recently, multiple aperture system is had been proposed for for this purpose.In such system In, replace the aperture with a series of optical element with, camera to be divided into several apertures, each aperture has special Optical element, and all share similar visual field.Hereinafter, aperture as each and the optics device for being formed with image thereon Part and sensor region are defined as " sub- camera " together.It is merged together to create single output from the image of sub- camera Image.
In some multiple aperture camera designs, compared with by the image created with reference to single aperture camera, per individual sub- camera Less image is produced on the image sensor.Therefore, the height per individual sub- camera can be less than the height of single aperture camera, from And reduce the total height of camera and allow the thinner design of mobile device.
Known one of them sub- camera has width FOV (" the sub- camera of Radix Rumiciss ") and another has narrow FOV (" the sub- phases of focal length Machine ") Based on Dual-Aperture zoom camera.One problem of Based on Dual-Aperture zoom camera is related to the height of the sub- camera of zoom focal length.Focal length There is significant difference in the height (also referred to as " total track length " or " TTL ") of (" T ") and Radix Rumiciss (" W ") sub- camera.TTL is usual The ultimate range being defined as between the object side surface of the first lens element and camera image sensor plane.Most of micro- In type lens, TTL is more than lens effective focal length (EFL).The typical TTL/EFL ratios of given lens (or lens unit) are for about 1.3.With 1/3 to 1/4 " in the single aperture smart mobile phone camera of sensor, EFL generally respectively 3.5mm and 4.5mm it Between, so as to cause 70 ° to 80 ° of FOV.
For example it is assumed that it is desirable to Based on Dual-Aperture X2 optical zooms are realized in smart mobile phone, then using EFLW=3.5mm and EFLT=2xEFLw=7mm is natural.However, in the case of no space constraint, pantoscope will be with EFLW= 3.5mm and TTLWFor 3.5 × 1.3=4.55mm, and long focus lens will be with EFLT=7mm and TTLTEqual to 7 × 1.3= 9.1mm.It is for about 10mm that in smart mobile phone camera may cause camera heights with reference to 9.1mm lens, and which is for many intelligent handss Machine manufacturer is unacceptable.
In the joint invention and jointly owned PCT of entitled " Dual-aperture zoom digital camera " The example of the solution to the problems referred to above is described in patent application PCT/IB2014/062180.Some of the solution Principle figure 1 illustrates, and the Fig. 1 is schematically illustrated with auto-focusing (AF) and numbering is 100 Based on Dual-Aperture zoom The embodiment of camera, wherein, it is (a) general isometric view, and (b) is section view isometric view.Camera 100 includes being labeled as 102 and 104 two sub- cameras, have the optics of their own per individual sub- camera.Therefore, sub- camera 102 is included with hole The optics block 106 of footpath 108 and optical lens module 110 and sensor 112.Similarly, sub- camera 104 is included with hole The optics block 114 of footpath 116 and optical lens module 118 and sensor 120.Each optical lens module can include several Individual lens element and infrared (IR) light filter 122a and 122b.Alternatively, some or all of lens cells of different pore size are belonged to Part can be formed on the same substrate.Two sub- cameras are positioned adjacent to each other, and its medium and small baseline is in two apertures 108 and 116 In between center 124.The AF mechanisms 126 and 128 for being controlled by controller (not shown) respectively can also be included per individual sub- camera. For per individual sub- camera, camera 100 is " thin " represented by TTL/EFL.Typically, TTLW/EFLW>1.1 and TTLT/EFLT< 1.0 (for example, 0.85).
Although the zooming range in camera 100 is about X2, it is probably favourable further to increase the scope.So And, this needs further to increase long focus lens EFL (EFLT), which will cause the increase of camera heights.EFLTIncrease to exemplary 12mm will cause undesirable camera heights, for example, 0.85 × 12+0.9=11.1mm.
The content of the invention
As noted, the requirement of digital camera for portable electric appts and the size of camera and image matter Amount is relevant.And, when camera is arranged in portable set, with other the external camera lists that could attach to portable set First different, these requirements become more important.
Internally in the case of (entirety) camera unit, camera is needed with size as little as possible, to adapt to camera The thickness (not projecting from the shell of equipment) of equipment installed therein, while being suitable for passing with the image commonly used Sensor is operated together.When relatively high Zoom effect is obtained using the long focus lens with long effective focal length (EFL), this Problem is even more important.
Therefore, the one side according to presently disclosed theme, there is provided a kind of to include the sub- camera of Radix Rumiciss and the sub- phase of focal length The zoom digital camera of machine.The sub- camera of Radix Rumiciss includes pantoscope module and wide angle picture sensor, and pantoscope module has The pantoscope axis of symmetry of the first optical path along between subject side and wide angle picture sensor.The sub- camera of Radix Rumiciss is configured Into offer wide angle picture.
The sub- camera of focal length includes focal length lens module and focal length imageing sensor.Focal length lens module is with along the second light The long focus lens axis of symmetry in ways for education footpath, long focus lens axis of symmetry are substantially perpendicular to pantoscope axis of symmetry positioning.The sub- phase of focal length Machine is configured to provide focal length image.
The camera also includes the first reflecting element, and first reflecting element has the first reflecting element axis of symmetry, and this first Reflecting element axis of symmetry substantially inclines 45 degree relative to pantoscope axis of symmetry and long focus lens axis of symmetry, and can operate Optical path is folded to provide between object and focal length imageing sensor.Therefore, the sub- camera of focal length is considered as what is folded, and And referred to herein as " collapsible focal length sub- camera ".
Pantoscope has wide-angular field (FOVW), and long focus lens are with than FOVWNarrow focal length visual field (FOVT).Root According to a non-limiting example, compared with the sub- camera of Radix Rumiciss, the sub- camera of focal length provides X5 Zoom effects.
Digital camera is operably connected to and is configured to for focal length image and wide angle picture to be processed as output image extremely A few image processor.The image co-registration received by different optical paths is for example being inscribed into the method for single output image For " HIGH-RESOLUTION THIN MULTI-APERTURE IMAGING SYSTEMS " joint invention and co-own PCT Patent Application the 14/365,711st and the common of entitled " DUAL APERTURE ZOOM DIGITAL CAMERA " send out There is provided in bright and jointly owned U.S. Patent Application No. 14/365,711, and disclose a kind of multiple aperture imaging system System, which includes the first camera and the second sensor with the second image of capture of the first sensor with the first image of capture Second camera.Based on zoom factor, any image can be selected as master image or assistant images.By assistant images are matched somebody with somebody It is accurate to obtain the output image with the viewpoint determined by master image to master image.
In order to further adapt to the size of the sub- camera of collapsible focal length and the trend of electronic portable devices, subtract as much as possible Little their thickness, the various features of the sub- camera of collapsible focal length are especially configured to the folding for making it possible to realize that height is reduced The sub- camera of stacked focal length.Reduce the sub- camera heights of focal length to make it possible to reduce the total height of Based on Dual-Aperture camera.Additionally, in the phase of maintenance The reduction of collapsible focal length sub- camera heights is realized while the picture quality of prestige.
Therefore, with the exception of the features described above, the various examples according to the theme of the disclosure, zoom digital camera can be appointing What desired combination and permutation includes one or more features in following traits (1) to (32).
(1) wherein, the focal length lens module of the sub- camera of collapsible focal length includes one group of at least 3 lens element, and its In, the lens element in the group is designed to have the diameter in the aperture not essentially exceeding the sub- camera of focal length.Following article is solved Release, this is different from conventional lenses module, wherein, the diameter of lens is designed to more and more wider towards sensor.
(2) wherein, the focal length lens module of the sub- camera of collapsible focal length includes one group of 3 to 5 lens element.
(3) wherein, the sub- camera of focal length also include substrate, for keeping lens element structure in position, Yi Jixiang Machine shell.
(4) wherein, the aperture of the sub- camera of focal length is designed to provide sufficiently low F# (for example, equal to or less than 3) to increase Plus the light fallen on focal length imageing sensor.
(5) wherein, focal length lens module is designed such that to generate in the whole region of focal length imageing sensor Image.Focal length imageing sensor can be such as 1/3 " imageing sensor or 1/4 " imageing sensor.
(6) wherein, the lens element in the group is designed such that the light for stopping less than into focal length lens module The light (for example, the light less than 25% into focal length lens module is blocked) of particular percentile.
(7) wherein, according to an example, the sub- camera of focal length is configured to have following technical parameter：EFL>9mm, F#≤ 3, and for all visual angles, light blocking is less than the light more than 25% into the sub- camera aperture of focal length.
(8) wherein, the sub- camera of focal length is characterised by height less than 6.5mm.
(9) wherein, the sub- camera of focal length is characterised by height less than 5.7mm.
(10) wherein, focal length imageing sensor is located at and is substantially perpendicular in the plane of long focus lens axis of symmetry.
(11) wherein, the sub- camera of focal length includes focal length auto-focusing (AF) mechanism, and which is configured to along focal length axis of symmetry Moving long focus lens；AF mechanisms are designed such that its height highly not essentially exceeding focal length lens module.
(12) wherein, AF mechanisms include one or more magnets for being coupled to corresponding coil, and the magnet is laterally positioned at On the one or both sides of focal length lens module, the height of the height of the magnet not essentially exceeding focal length lens module.
(13) wherein, AF mechanisms only include a magnet for being coupled to corresponding coil.
(14) wherein, camera also includes the second smooth ways for education being positioned between focal length lens module and focal length imageing sensor The second reflecting element in footpath, second reflecting element are configured to for the light propagated parallel to the second optical path to be directed to One optical path, wherein, focal length imageing sensor is located at and is substantially perpendicular in the plane of pantoscope axis of symmetry.
(15) wherein, camera also includes focal length auto-focusing (AF) mechanism, and which is configured to along the second reflecting element pair Axle is claimed to move the second reflecting element.
(16) wherein, wide angle picture sensor and focal length imageing sensor are arranged on single printed circuit board.
(17) wherein, at least one processor for being operatively coupled to camera is configured to come true using zoom factor (ZF) Fixed corresponding output visual field.
(18) wherein, pantoscope module has wide-angular field FOVW, and focal length lens module is with than FOVwNarrow is remote Visual field FOVT；Camera also include middle burnt sub- camera, it include have meet FOVw>FOVM>FOVTVisual field FOVMMiddle focus lens Module and middle burnt imageing sensor, middle focus lens have middle focus lens axis of symmetry；Middle burnt camera burnt image in being configured to provide.
(19) wherein, the geometry that middle burnt sub- camera configuration has the EFL of the EFL and the sub- camera of focal length equal to the sub- camera of Radix Rumiciss is put down The EFL of average.
(20) wherein, at least one processor for being operatively coupled to camera is configured to middle burnt image together with focal length figure Picture or wide angle picture are processed as output image together.
(21) wherein, middle focus lens axis of symmetry is substantially perpendicular to pantoscope axis of symmetry, and middle burnt imageing sensor Positioned at being substantially perpendicular in the plane of middle focus lens axis of symmetry；And wherein, focal length is substantially perpendicular to as sensor is located at In the plane of long focus lens axis of symmetry.
(22) wherein, camera also includes middle burnt auto-focusing (AF) mechanism, and which is configured to wide along being substantially perpendicular to Focus lens module in the middle burnt axis of symmetry movement of minus lens axis of symmetry；With focal length AF mechanism, which is configured to symmetrical along focal length Axle moving long focus lens module；The height of any one mechanism in Zhong Jiao AF mechanisms and focal length AF mechanism is not essentially exceeding focal length The height of lens module.
(23) wherein, Zhong Jiao AF mechanisms include one or more magnets for being coupled to corresponding coil, the magnet lateral register On the one or both sides of focal length lens module, the height of the height of the magnet not essentially exceeding focal length lens module.
(24) wherein, Zhong Jiao AF mechanisms only include a magnet for being coupled to corresponding coil.
(25) wherein, camera also includes substantially inclining into 45 degree relative to pantoscope axis of symmetry and middle focus lens axis of symmetry The 3rd reflecting element；3rd reflecting element is configured to provide folded-optics between subject side and middle burnt imageing sensor Path.
(26) wherein, camera also includes being positioned in the 4th optical path between middle focus lens and middle burnt imageing sensor The 4th reflecting element, the 4th reflecting element is configured to for the light propagated parallel to the second optical path to be directed to the first light Ways for education footpath, middle burnt imageing sensor are located at and are arranged essentially parallel in the plane of middle focus lens axis of symmetry.
(27) wherein, camera also includes middle burnt auto-focusing (AF) mechanism, and which is configured to along the 4th reflecting element pair Axle is claimed to move the 4th reflecting element.
(28) wherein, the middle focus lens axis of symmetry of middle burnt sub- camera is arranged essentially parallel to pantoscope axis of symmetry, and extensively Angle imageing sensor and middle burnt imageing sensor are arranged on single printed circuit board.
(29) wherein, the middle focus lens axis of symmetry of middle burnt sub- camera is substantially perpendicular to pantoscope axis of symmetry, and extensively Angle imageing sensor and middle burnt imageing sensor are arranged on single printed circuit board.
(30) wherein, at least one processor for being operatively coupled to camera is configured to come true using zoom factor (ZF) Fixed corresponding output visual field.
(31) wherein, at least one processor for being operatively coupled to camera is configured to export by using for arranging FOVWAnd FOVMBetween FOV ZF wide angle picture and the output image that formed of middle burnt image.
(32) wherein, at least one processor for being operatively coupled to camera is configured to export by using for arranging FOVMAnd FOVTBetween FOV ZF middle burnt image and focal length image formed output image.
According to an example, presently disclosed theme includes the digital phase for being configured to the inside the shell for being integrated in electronic equipment Machine.The camera includes the sub- camera of Radix Rumiciss, the sub- camera of focal length and focal length auto-focusing (AF) mechanism；
The sub- camera of Radix Rumiciss includes pantoscope module and wide angle picture sensor, and the pantoscope module is with along right As the pantoscope axis of symmetry of the first optical path between side and wide angle picture sensor；The sub- camera of Radix Rumiciss is configured to provide Wide angle picture；The sub- camera of focal length includes focal length lens module and focal length as sensor and the first reflecting mirror；The focal length lens mould Block is oriented to be substantially perpendicular to Radix Rumiciss with the long focus lens axis of symmetry along the second optical path, long focus lens axis of symmetry Lens axis of symmetry；The focal length camera is configured to provide focal length image；First reflecting mirror is with relative to pantoscope axis of symmetry 45 degree of the first reflecting mirror axis of symmetry is substantially inclined with long focus lens axis of symmetry, and can be operated with object and focal length figure As folded-optics path is provided between sensor；
Wherein, focal length lens module includes one group of 3 to 5 lens element, and wherein, the lens element in the group is set Diameter of the diameter not essentially exceeding the aperture of the sub- camera of focal length is counted into, is enabled in the whole area of focal length imageing sensor Generate image on domain, and make it possible to into focal length lens module at least 75% light it is logical towards focal length imageing sensor Cross；
Wherein, focal length AF mechanism is configured to along focal length axis of symmetry moving long focus lens；AF mechanisms include being coupled to phase One or more magnets of coil, the magnet are answered laterally to be positioned on the one or both sides of focal length lens module, the magnet Height of the height not essentially exceeding focal length lens module.
The theme of the disclosure also contemplate such as cell phone (for example, smart phone), portable computer, notepad, The shifting of panel computer, wrist-watch, any kind of electronics wearable device (for example, bracelet, wrist-watch, the helmet, glasses etc.) or the like Dynamic electronic equipment, which is equipped with digital camera as disclosed herein.According to some examples, digital camera is completely integrated in electricity (do not project from the shell of electronic equipment) in sub- equipment.
The theme of the disclosure is also contemplated with the wide sub- camera of collapsible focal length of low phase wheel as disclosed.
Description of the drawings
The non-limiting example of the embodiments described herein is described hereinafter with reference to the accompanying drawing appended by this paper, Which is listed below at this section.Accompanying drawing and description are intended to illustrate and illustrate the embodiments described herein, and are not construed as Limit by any way.Similar elements in different accompanying drawings can be indicated by identical reference.
Fig. 1 schematically shows the design of the Based on Dual-Aperture camera with zoom and AF；
Fig. 2A schematically shows showing according to presently disclosed theme with (a) general isometric view and (b) side view The zoom with collapsible focal length lens module and auto-focusing Based on Dual-Aperture camera of example；
Fig. 2 B schematically shown with general isometric view the example according to presently disclosed theme with collapsible The zoom and auto-focusing Based on Dual-Aperture camera of focal length lens module；
Fig. 3 schematically shows the example according to presently disclosed theme with (a) general isometric view and (b) side view The zoom with collapsible focal length lens module and auto-focusing Based on Dual-Aperture camera；
Fig. 4 schematically shows showing according to presently disclosed theme with (a) general isometric view and (b) side view The zoom with collapsible focal length lens module and auto-focusing Based on Dual-Aperture camera of example；
Fig. 5 is schematically shown in Fig. 4 institutes by the profile of cross section A-A with (a) general isometric view and (b) The details of the autofocus mechanism of mobile second reflecting mirror in the example shown.
Fig. 6 A schematically show rolling over for the example according to presently disclosed theme with general isometric view The three aperture camera of zoom and auto-focusing of the long focus lens of stacked；
Fig. 6 B schematically show rolling over for the example according to presently disclosed theme with general isometric view The three aperture camera of zoom and auto-focusing of the long focus lens of stacked；
Fig. 6 C schematically show folding with for the example according to presently disclosed theme with general isometric view The three aperture camera of zoom and auto-focusing of the long focus lens of formula；
Fig. 7 schematically shows folding with two for the example according to presently disclosed theme with general isometric view The three aperture camera of zoom and auto-focusing of formula lens；
Fig. 8 schematically shows the collapsible with two of the example according to current open theme with general isometric view The three aperture camera of zoom and auto-focusing of long focus lens；
Fig. 9 shows the resolution gain at (a) in preferable continuous vari-focus of the example according to presently disclosed theme Consumer's Experience to zoom factor；B () includes two Radix Rumiciss and focal length with 13,000,000 element sensors and 2,000,000 pixel observation devices Consumer's Experience of the resolution gain of the camera of sub- camera to zoom factor；(c) there are 13,000,000 element sensors including three With the Radix Rumiciss of 2,000,000 pixel observation devices, the Consumer's Experience of the resolution gain to zoom factor of the camera of the middle burnt and sub- camera of focal length The figure of middle explanation；
Figure 10 A show the example according to presently disclosed theme with the long focus lens of five elements that can be used for camera The focal length lens module of unit；
Figure 10 B show the example according to presently disclosed theme with can be used in camera disclosed herein Four element focal length lens units focal length lens module embodiment；
Figure 10 C show the saturating with can be used for magazine three elements focal length of the example according to presently disclosed theme The focal length lens module of mirror unit；
Figure 11 A show each lens element for four element lens units of the example according to presently disclosed theme Term " optics of lens height " H/2；
Figure 11 B show the effect of the light of the stop of the example according to presently disclosed theme；
Figure 12 schematically shows the example according to presently disclosed theme with (a) normal axomometric drawing and (b) external view Camera model；
Figure 13 schematically shows the example according to presently disclosed theme with (a) isometric view and (b) external view Another camera model；With
Figure 14 schematically show the example according to presently disclosed theme with collapsible focal length lens mould The portable electric appts of the integrated Based on Dual-Aperture camera of block.
Specific embodiment
It should be appreciated that when specific direction and/or angle value is given herein, they are intended to be included in association area In in known actual tolerance acceptable value scope.
Additionally, for the sake of clarity, term " substantially " is used for inferring what value changed in tolerance interval herein Probability.According to an example, term " substantially " used herein should be construed as to imply that any designated value it It is upper or under possible change up to 10%.According to another example, term " substantially " used herein should be explained To infer possible change up to 5% on or below any designated value.According to another example, term used herein " substantially " possible change up to 2.5% on or below any designated value should be construed as to imply that.Designated value can be with It is absolute value (for example, not essentially exceeding 45 °, perpendicular etc.) or relative (for example, not essentially exceeding the height of x Deng).
Note, in current discussion, " aperture diameter " refers to the straight of the magazine aperture with constant pore size Footpath or the magazine maximum diameter of hole diameter with variable aperture size.
As used herein, phrase " such as ", " such as ", " such as ", " in embodiment " and its modification are described The non-limiting example of presently disclosed theme.It will be appreciated that for the sake of clarity, described in the context of separate embodiments Some features of presently disclosed theme offer can also be provided in single embodiment.Conversely, for simplicity, and The various features of the presently disclosed theme described in the context of single embodiment can also be individually or with any suitable Sub-portfolio is provided.
Note, " optical block " refers to the lens module together with autofocus mechanism as used herein, the term.
Turning now to Fig. 2A, which is schematically shown herein with (a) general isometric view and (b) section view isometric view Disclosed in the zoom with collapsible long focus lens and auto-focusing Based on Dual-Aperture camera 200 embodiment.Isometric view quilt It is shown as related to XYZ coordinate system.Camera 200 includes the sub- camera of two sub- cameras, the sub- camera 202 of conventional Radix Rumiciss and focal length 204.
Wide angle camera 202 includes with corresponding aperture 208 (indicating the subject side of camera) and has in the Y direction symmetrical The wide angle optical block and wide angle picture of the optical lens module 210 (or being called " lens module " for short) of (and optics) axle 212 Sensor 214.Focal length camera 204 includes the focal length optical block with respective aperture 218 and has symmetrical (and the light of long focus lens Learn) optical lens module 220 of axle 222a, and focal length imageing sensor 224.
Camera 200 also includes the first planar reflective element (for example, reflecting mirror or the rib in insertion " focal length " optical path Mirror) 226.Focal length optical path is extended to from object (not shown) by focal length lens module (or being called " long focus lens " for short) Focal length sensor and by arrow 222b and 222a labelling.Arrow 222b is indicated from the direction of the subject side of camera, and substantially On parallel to the sub- camera of Radix Rumiciss axis of symmetry 212.For simplicity, reflecting element is referred to as into " reflecting mirror " hereinafter, however, This is only exemplary and is not necessarily to be construed as limiting by any way.
According to an example, wide angle picture sensor 214 is located in X-Z plane, and focal length imageing sensor is located at substantially On perpendicular to long focus lens axis of symmetry 222a X-Y plane.Various camera components may be mounted on substrate 232, for example, printing Circuit board (PCB).It can be said that focal length sensor is " upright ", because it is located at is substantially perpendicular to 214 He of wide angle sensor In the plane of the plane of substrate 232.
It should be noted that referring below to described by Fig. 3, compared with positioned at the focal length sensor in X-Z plane, Contribute to reducing using the sub- camera of focal length with the focal length sensor in stand up position the length of the sub- camera of focal length, and because This whole camera area of coverage (footprint) of reduction.
According to an example, reflecting mirror 226 is substantially inclined relative to long focus lens axis of symmetry (222a) and arrow 222b 45°.Therefore, focal length optical path is " folded ".Hereinafter, the long focus lens with the folded-optics path for passing through It is referred to as " collapsible long focus lens ", and the sub- camera of the focal length with this folded optical lenses is referred to as " collapsible focal length Camera ".
Radix Rumiciss and the sub- camera of focal length can be fixed focusing (FF) or auto-focusing (AF).When it is present, for Radix Rumiciss phase The AF mechanisms of machine are generally indicated by numeral 206, and in one example, which can be similar to the mechanism shown in Fig. 1.Hereafter join Examine Figure 12 and Figure 13 to be described new low profile AF mechanisms.
If including AF mechanisms in the sub- camera of focal length, auto-focusing is caused to be moved along Z axis using AF mechanisms.AF machines Structure may be coupled to and can operate with the direction (that is, parallel to its axis of symmetry 222a) by shown in arrow 230 along Z Axle moving long focus lens.Long focus lens moving range can for example between 100 μm to 500 μm.Camera 200 can also include The processing unit of (or being operably connected to) including one or more appropriately configured processor (not shown), for growing Burnt image and wide angle picture are processed into output image.
Processing unit can include hardware (HW) and software (SW) dedicated for operating together with digital camera.It is alternative Ground, wherein the processor for being provided with the electronic equipment (for example, its local cpu) of camera may be adapted to perform it is related to digital camera Various process operation (focal length image and wide angle picture are processed into into output image including but not limited to).
According to some non-limiting examples, camera 200 (and other mentioned below camera) can have such as 1 institute of table The size shown and/or parameter.These sizes (being given with millimeter) and parameter include camera width W, camera length L, camera heights Sub- camera effective focal length EFL of H, Radix RumicissW, Radix Rumiciss F number F#W, sub- camera effective focal length EFL of focal lengthTWith focal length F number F#T。
Figure W L H EFLw EFLM EFLT F#w F#M F#T
2A 5-12 20-50 4-8 2-8 5-25 2-3 2-5
2B 10-25 10-40 4-8 2-8 5-25 2-3 2-5
3 5-12 20-50 4-8 2-8 5-25 2-3 2-5
4 5-12 20-50 4-8 2-8 5-25 2-3 2-5
6A 5-12 25-60 4-8 2-5 4-10 8-30 2-3 2-3 2-5
6B 5-12 20-50 4-8 2-5 4-10 8-30 2-3 2-3 2-5
6C 10-25 10-40 4-8 2-5 4-10 8-30 2-3 2-3 2-5
7 5-12 25-60 4-8 2-5 4-10 8-30 2-3 2-3 2-5
8 10-25 20-50 4-8 2-8 4-20 8-30 2-3 2-5 2-5
Table 1
For example, fold focal length lens module in camera 200 (and camera 300 to 600 below) to make it possible to make Use EFLTFor the focal length lens module of 12mm, while maintaining whole camera heights significant lower than with identical EFLTIt is normal The camera (11.1mm for for example, referring in background section above) of upright long focus lens.
Become apparent from and avoid confusion to provide in the following figures, it can be mentioned that it is similar to the element in camera 200 or Identical some elements, but do not illustrated with reference.
Fig. 2 B are schematically shown with collapsible focal length lens module disclosed herein with general isometric view Zoom and auto-focusing Based on Dual-Aperture camera (200 ') another embodiment.Camera 200 ' includes substantially the same with camera 200 Element, and such element (when numbering) correspondingly with identical numeral numbering.Two cameras differ primarily in that length The relative localization (for example, on substrate 232 ') of the burnt and sub- camera of Radix Rumiciss and reflecting mirror 226.
As illustrated, these elements are arranged such that camera 200 ' with the area of coverage than camera 200 more " side ".Especially Ground, the width W in camera 200 ' is more than the width W in camera 200, and length L in camera 200 ' is less than the L in camera 200. Note, (side of the wherein sub- camera of Radix Rumiciss is respectively parallel to X and Z axis, and long focus lens are substantially along Z axis for shown configuration Alignment) only it is illustrated by way of example, and in other embodiments, differently can position per individual sub- camera.For example, extensively Silver coin camera can be aligned on the direction different with Z with X, the side of Y-axis, and long focus lens are not parallel to, only Optical axis that will be before folding is parallel to wide angle camera axis of symmetry.Camera 200' can have the exemplary dimensions shown in table 1 And/or parameter.
Fig. 3 is schematically shown with disclosed herein with (a) general isometric view and (b) section view isometric view Collapsible long focus lens and numbering be 300 zoom and the another embodiment of auto-focusing Based on Dual-Aperture camera.Except camera 300 Outside the second reflecting mirror 302 in the optical path being inserted between long focus lens and focal length sensor 224, camera 300 Substantially identical with camera 200, the path is here by arrow 304a and 304b labelling.In addition, and with camera 200 and 200' not With (but such as identical with camera 100), focal length sensor 224 is located at X-Z plane (identical with wide angle sensor).According to one Individual example, wide angle sensor and focal length sensor can be placed in same substrate, for example, PCB.Alternately, each sensing Device is may be mounted on single PCB.Two reflecting mirrors can substantially incline 45 ° relative to long focus lens axis of symmetry 222a.
Such as identical with camera 200, Radix Rumiciss and the sub- camera of focal length can be fixed focusing (FF) or auto-focusing (AF). Such as identical with camera 200, AF mechanisms (not shown) is coupled to and can operate with along the direction by shown in arrow 230 (that is, parallel to axis of symmetry 222a) is along Z axis moving long focus lens.Camera 300 can have for example with 200 identical chi of camera Very little and/or parameter, or can be bigger (for example, about 5mm to 10mm) along Z axis.
Camera 300 requires that focal length lens module is designed such that its back focal length (BFL), i.e. along from long focus lens mirror Cylinder left-hand side to reflecting mirror and arrive the light of focal length imageing sensor (pattern length of arrow 304a and 304b) therefrom The distance in ways for education footpath, being large enough that to include the second reflecting mirror.In addition, the focal length geometry folded in camera 300 Permission is directly installed on wide angle picture sensor and focal length imageing sensor on single public PCB.Alternately, each sensing Device is may be mounted on single PCB.Camera 300 can have the size and/or parameter for example shown in table 1.
Fig. 4 is schematically shown with disclosed herein with (a) general isometric view and (b) section view isometric view Collapsible long focus lens and numbering be 400 zoom and the embodiment of auto-focusing Based on Dual-Aperture camera.Except by using coupling Close its second reflecting mirror of movement of AF mechanisms (see Fig. 5) 402 to come outside the sub- camera of auto-focusing focal length, camera 400 is substantially It is identical with camera 300.Mechanism 402 is perpendicular to its plane (for example, at 45 ° with X-Y and X-Z plane) by shown in arrow 430 Side move up the second reflecting mirror 302.Reflecting mirror moving range can for example between 100 μm to 500 μm.Alternately, Second reflecting mirror 302 can be moved in other directions, to focus on the focal length image captured by focal length sensor, for example, along Z Axle or Y-axis.Camera 400 can have the size and/or parameter for example shown in table 1.
Fig. 5 schematically shows mechanism 402 thin by the sectional view of section A-A with (a) general isometric view and (b) Section.Mechanism 402 includes electromagnetic actuators, and which includes fixing component 404 and mobile member 406.Fixing component 404 includes four forever Magnet 408a to 408d.Include at least partly shown herein as the mobile member 406 of the cylinder form with the axis of symmetry 410 The core 412 that ground is surrounded by coil 414.Mobile member 406 is mechanically coupled to reflecting mirror 302 at 416 at one end, and relative Hold, which is rigidly coupled to fixed frame 422 again.The quantity of shown spring is only There is provided by example, and can be using less (for example, one) or the spring more than four.In use, by coil 414 Electric current cause magnetic force, which causes mobile member 406 and reflecting mirror 302 to move along axis of symmetry 410, as indicated by arrows 430 's.
Fig. 6 A are schematically shown with a collapsible long focus lens disclosed herein with general isometric view Three aperture camera 600 of zoom and auto-focusing embodiment.Camera 600 includes the element and function of such as camera 200.Also It is to say, camera 600 includes the sub- camera 202 of Radix Rumiciss with pantoscope 210 and wide angle sensor 214, with folding, focal length is saturating The sub- camera 204 of focal length of mirror 220, reflecting mirror 226 and " upright " focal length sensor 224.
In this example, three sub- cameras are along common axis substantial registration in z-direction.Such as with camera 200 It is identical, by the direction by shown in arrow 230 along Z axis moving long focus lens realizing long focus lens auto-focusing.So And, in addition to the element of camera 200, camera 600 also includes the second length with middle focus lens 604 and middle burnt sensor 606 Burnt (being referred to as " middle Jiao " or " M ") sub- camera 602.Middle burnt sub- camera 602 is with the EFL with the sub- camera of Radix Rumiciss and the sub- camera of focal length With FOV close to EFLMAnd FOVM, (being shown in Table the example in 1).Symmetrical (and optics) axle 612 of middle burnt sub- camera is substantially parallel Direction 222b in the sub- camera of axle 212 and focal length 204 of the sub- camera of Radix Rumiciss 202.Note, although Radix Rumiciss and middle burnt sub- camera quilt Be shown as specific arrangements (middle burnt sub- camera 602 is closer to the sub- camera of focal length 204), thus it is possible to vary the order so that Radix Rumiciss and in Burnt sub- camera exchange position.Camera 600 can have the size and/or parameter for example shown in table 1.
In use, camera 600 (and camera 600', 600 ", 700 and 800) output FOV determined by zoom factor ZF Justice.Such FOV can be labeled as " FOVZF”.For example, amplifying up to ZF=ZFMWhen, camera output with only have Radix Rumiciss and The output of the Based on Dual-Aperture zoom camera of middle burnt sub- camera is identical, wherein, middle burnt sub- camera replaces the sub- camera of focal length.When from ZFMPut Arrive greatly ZFTWhen, camera output is identical with the output of the Based on Dual-Aperture zoom camera only with the middle burnt and sub- camera of focal length, wherein, in Burnt sub- camera replaces the sub- camera of Radix Rumiciss.This is experienced there is provided " continuous vari-focus " (that is, resolution gain is to ZF).There is provided with regard to Fig. 8 The company for being explained in more detail and being obtained using camera disclosed herein of term used herein " continuous vari-focus " The example of continuous zoom experience.
Fig. 6 B are schematically shown with a collapsible long focus lens disclosed herein with general isometric view And numbering is another embodiment of the three aperture camera of zoom and auto-focusing of 600'.Camera 600' includes and 600 base of camera Identical element in sheet, but Radix Rumiciss and middle burnt sub- camera are aligned along the Z direction, and the sub- camera of focal length has Z-direction as which Axis of symmetry.Such as identical with camera 600, the position of Radix Rumiciss and middle burnt sub- camera is interchangeable.Camera 600' can have Size and/or parameter for example shown in table 1.
Fig. 6 C are schematically shown with a collapsible long focus lens disclosed herein with general isometric view And number be 600 " three aperture camera of zoom and auto-focusing another embodiment.Camera 600 " include with camera 600 and 600' essentially identical element, but change the positioning of three sub- cameras so that collapsible long focus lens it is neighbouring and parallel to The side 608 of the sub- camera of Radix Rumiciss 202 and the side 610 of middle burnt sub- camera 602.It is such as identical with camera 600 and 600', Radix Rumiciss Position with middle burnt sub- camera is interchangeable.Camera 600 " can have the size and/or parameter for example shown in table 1.
Note, although three aperture cameras of with Fig. 6 A to Fig. 6 C collapsible focal length lens embodiment are shown as Including " upright " focal length sensor 224, but other the three aperture cameras with a collapsible focal length lens embodiment can be with The second reflecting mirror in X-Z plane and focal length sensor are positioned at including the identical such as in camera 300.Fig. 7 shows one Such embodiment.Fig. 7 is schematically shown with a collapsible focal length disclosed herein with general isometric view Lens and numbering be 700 three aperture camera of zoom and auto-focusing another embodiment.Camera 700 is substantially considered as Wherein middle burnt sub- camera 602 is added to the camera of the element of camera 300.Alternately, it can be considered wherein second anti- The camera penetrated in the optical path that mirror 302 is inserted between collapsible long focus lens 220 and focal length sensor 224.Focal length is certainly Dynamic focusing by mobile second reflecting mirror 302 (such as identical with camera 400) (as indicated by arrow 430), or be able to can be replaced Dai Di, is realized by moving long focus lens (such as identical with camera 300).Camera 700 can have for example shown in table 1 Size and/or parameter.
Fig. 8 is schematically shown with two folded optical lenses disclosed herein and is numbered with general isometric view The embodiment of the three aperture camera of zoom and auto-focusing for 800.Camera 800 can be considered to be present in " the folding with addition Composition element in stacked " in the camera 200 of burnt sub- camera 802.Therefore, such as identical with camera 200, camera 800 can be with Including the sub- camera 202 of Radix Rumiciss with pantoscope and wide angle sensor, the sub- camera of focal length with collapsible long focus lens 204th, upright focal length sensor 224 and reflecting mirror 226.Collapsible middle burnt sub- camera 802 includes middle focus lens 804 and upright middle Jiao Sensor 806.The spoke that the reflecting mirror 808 of addition will be reached from subject side in the direction 810 parallel to direction 222b and axis 212 Penetrate along middle focus lens axis of symmetry 812 middle focus lens 804 are reflected through to middle burnt sensor, so as to burnt view data in providing, Which can be combined with Radix Rumiciss and the sub- camera image data of focal length.In some instances, middle focus lens 804 can edge in z-direction Its axis 812 by AF mechanisms (not shown) movement (movement shown in arrow 830), with burnt auto-focusing, class in offer It is similar to be moved by the focal length auto-focusing that arrow 230 is illustrated above.
The alternative (not shown) of the camera with collapsible middle burnt and long focus lens can include additional reflection Burnt and focal length sensor in mirror and " flat " (similar to the embodiment shown in Fig. 3, Fig. 4 and the Fig. 7 for long focus lens).This Outward, according to the example, can be by mobile these reflecting mirrors rather than lens are realizing auto-focusing.Camera 800 can have Size and/or parameter for example shown in table 1.This configuration of camera 800 for example makes it possible to realize EFLM=3*EFLWAnd EFLT =9*EFLW, while maintaining camera heights to be less than 7mm.
Fig. 9 a illustrate Consumer's Experience of the resolution gain to ZF in the case of preferable optical zoom.Fig. 9 b are illustrated two The individual sub- camera (Radix Rumiciss and a focal length) of 13,000,000 (13M) pixel and one 2,000,000 (2M) pixel observation device (for example, display) Common situation under resolution gain the actual user of ZF is experienced.
For example it is assumed that Radix Rumiciss and the sub- camera of focal length have meets EFLT=5*EFLWEFLS.In this case, starting Resolution (ZF=1) will be the 2M of viewer.When ZF is increased by sub- camera digital zoom, 2M pixel of viewer will be sampled Less " new " FOV (contributing to higher resolution).This new FOV is the function of ZF, i.e. FOVZF=FOVW/ZF.According to PXC=13M/ (ZF)2, new FOVZFRelatively low dividing (is contributed to by pixel (PXC) sampling of the magazine lesser amt of Radix Rumiciss Resolution).As long as PXC>2M (or ZF<(13/2)0.5=DZC), the resolution for being perceived will increase with ZF.For the ZF for being close to 1, Resolution increase will be similar to that the resolution of optical zoom increases.For the digital ZF for being close to DZC, resolution increase is obtained low It is many.For digital ZF>DZC, resolution will keep constant.The digital zoom for describing the sub- camera of Radix Rumiciss as the function of ZF is realized The formula of resolution gain (RG) can be written as：
RG=RG (W) * (1+CQ* (ZFC-1) * sqrt (tanh (((ZF-1)/CQ* (ZFC-1))2)))
Wherein, CQ (typically, 0.7 to 0.8 between) represents the camera quality under ultimate resolution, and RG (W) is that do not have The object resolution for being perceived of the sub- camera image of Radix Rumiciss of any digital zoom.
In figure 9b, RG follows the formula 1<ZF<5." conversion ZF " or ZF are defined as (in ZF=5t), it is outputted to tool There are a sub- cameras of T of corresponding RG (T)=5, wherein, RG (T) is that the sub- camera images of T for not having any digital zoom are perceived Object resolution.In a similar manner, after the switching of sub- camera, the continuous resolution gain with ZF is followed：
RG=RG (T) * (1+CQ* (DZC-1) * sqrt (tanh (((ZF/ZFT-1)/CQ* (DZC-l))2)))
The user under the Consumer's Experience and perfect optics zoom condition of the resolution gain with ZF is can be seen that from Fig. 9 b Experience is very different.
The resolution that Fig. 9 c are illustrated under the common situations of 13M cameras and the 2M viewers with three aperture cameras increases Consumer's Experience of the benefit to ZF, the three apertures camera are included with EFLWThe sub- camera of Radix Rumiciss, with EFLM=2.35 × EFLWIn Between in burnt sub- camera and have EFLT=5*EFLWThe sub- camera of focal length.In this case, there are two sub- cameras and change ZFt1 =2.35 and ZFt2=5.Accordingly, there is three resolution gains RG (W)=1, RG (M)=2.35 and RG (T)=5.The figure figure Following RG behaviors are shown：
From ZF=1 to ZF=2.35,
RG=RG (W) * (1+CQ* (DZC-1) * sqrt (tanh (((ZF/l-1)/CQ* (DZC-1))2)))；
From ZF=2.35 to ZF=5,
RG=RG (M) * (1+CQ* (DZC-1) * sqrt (tanh (((ZF/ZFT1-1)/CQ* (DZC-1))2)))；
From the beginning of ZF=5,
RG=RG (T) * (1+CQ* (DZC-1) * sqrt (tanh (((ZF/ZFT2-1)/CQ* (DZC-1))2)))。
As can be seen that in this case, resolution gain is in the Consumer's Experience of ZF closely perfect optics zoom Consumer's Experience.
Therefore, the example according to presently disclosed theme, gives EFLWAnd EFLT, EFL can be based onWValue and EFLTValue Geometrical mean is selecting with corresponding EFLMMiddle burnt sub- camera.According to the example, based on equationChoosing Select EFLM, wherein, in some cases, EFLMIt is equal to
As mentioned above, desired design has the camera of size as little as possible, so as to the figure being suitable for commonly use As sensor is operated together and is adapted to the electronic equipment for being wherein provided with camera (not projecting from the shell of equipment) The thickness of (for example, smart mobile phone).Therefore, in multiple aperture (for example, Based on Dual-Aperture) camera herein disclosed, expect to roll over The height of the sub- camera of stacked focal length remains as low as possible.It is different with general camera (for example, upright sub- camera), in institute such as herein In the sub- camera of disclosed collapsible focal length, size of the height of camera to module for example as shown in Figure 2 on the y axis is related, and And it is heavily dependent on the diameter of maximum lens in the lens in respective lens module.
Simultaneously, also it is desirable to realize good image while high Zoom effect (for example, ZF=X5 or bigger) is provided Resolution, therefore the magazine aperture of collapsible focal length must remain sufficiently large, enable to realize sufficiently small F# (examples Such as, F#=3 or less).It should be noted that the EFL of the sub- camera of focal length is bigger, aperture must be bigger with the given F# of maintenance.
Additionally, in many conventional lenses modules (for example, upright Radix Rumiciss or long focus lens with the sensor more than aperture Module) in, the diameter of lens is designed to more and more wider towards sensor so that it fits into the visual field of the light in camera aperture Angle, which is intended to fall in the whole region of sensor.In folded optical lenses unit, this conventional design for increasing lens diameter Bigger camera heights will be caused, therefore be undesirable.
Therefore, there is disclosed herein a kind of new sub- camera of collapsible focal length, which has with the saturating of one group of lens element Mirror module, this group of lens element is designed to height to be reduced, while light blocking is maintained below particular value, and allows to enter Optical projection is penetrated in the whole region of imageing sensor.
According to the example of presently disclosed theme, the lens element in lens module is not designed to diameter towards sensor It is increasing.Conversely, the diameter of each lens element in the lens module of the sub- camera of collapsible focal length is dimensionally reduced.Often The diameter of individual lens be confirmed as it is as little as possible, while maintain enough light by lens towards sensor to obtain desired phase Machine characteristic (for example, resolution and SNR) and whole region (that is, the activity picture of sensor for making it possible in imageing sensor Plain region) on continue and image be provided.Imageing sensor can be such as 1/3 " imageing sensor and 1/4 " imageing sensor.
According to some examples, the diameter of the maximum lens element in focal length lens module (including at least 3 lens elements) Not essentially exceeding the diameter in the aperture (218) (that is, the sub- camera aperture of focal length) for being used to allow light to enter the sub- camera of focal length.Cause This, the diameter in the sub- camera aperture of focal length can aid in the maximum gauge for defining the lens element in focal length lens module.
According to an example, the diameter of the maximum lens element in focal length lens module is less than or equal to the sub- camera hole of focal length The diameter in footpath.According to another example, the diameter of the maximum lens element in focal length lens module is less than the sub- camera aperture of focal length Diameter more than 10%.According to another example, the diameter of the maximum lens element in focal length lens module is less than focal length The diameter in camera aperture is more than 5%.According to another example, the diameter of the maximum lens element in focal length lens module is less than length The diameter in burnt sub- camera aperture is more than 2.5%.Below with reference to Figure 10 and Figure 11 and Biao 2 to 7 pairs of foldings according to these principles of table The example of the sub- camera design parameter of formula focal length is described.
Figure 10 A to Figure 10 C show the various examples used in zoom Based on Dual-Aperture camera that can be herein disclosed Property focal length lens module (numbering is 220a, 220b or 220c), including collapsible long focus lens.Each module includes respective sets Lens element.Figure 10 A are it is also shown that aperture diaphragm 218, the axis of symmetry 222a on " z " direction, focal length sensor 224 and attached Add a cover plate 223.
Lens module 220a, 220b or 220c include 5,4 and 3 lens elements (or being called " element " for short) respectively.Thoroughly Mirror element is labeled as L1, L2, L3, L4 and L5 (in lens module 220a), L1, L2, L3 and L4 (in lens module 220b) And L1, L2 and L3 (in lens module 220c).It should be noted that example described herein includes at least 3 thoroughly Mirror element, which can provide enough image quality.
Table 2 and table 3 in lens module 220a, in the table 4 and table 5 and the table in lens module 220c of lens module 220b 6 and table 7 in give detailed optical data and non-spherical surface data.Radius of curvature (R), lens element thickness and/or edge The unit of the distance between element of axis of symmetry and diameter and expressed with mm.“Nd" it is refractive index.“Vd" it is to indicate lens material The parameter of color distinction.Big VdLittle color distinction is indicated, vice versa." BKZ " is NdAnd VdKnown glass, aspheric The equation of face surface profile is expressed by following formula：
Wherein " r " is distance away from axis of symmetry (and perpendicular to), and k is circular cone coefficient, c=1/R, wherein, R is curvature half Footpath, α are the coefficients be given in table 3, table 5 and table 7.Note, the maximum (" max r ") of r is equal to diameter/2.It is furthermore noted that In table 2 (and in table 4 below and table 6), the distance between various elements (and/or surface) are measured on axis of symmetry Z, its In, diaphragm is at Z=0.From previous surface measurement per number.
Table 2
# α1 α2 α3 α4 α5 α6 α7 α8
2 0 -2.5699E-03 -6.5546E-04 -2.4933E-05 -1.9717E-05 9.1450E-07 1.8986E-08 0.0000E+00
3 0 4.7508E-04 -4.3516E-04 -6.5166E-05 -4.2148E-07 1.0572E-06 4.4021E-08 0.0000E+00
4 0 -9.1395E-03 2.5655E-04 -4.5210E-05 7.4472E-06 -1.1011E-06 2.8410E-07 0.0000E+00
5 0 -1.0827E-02 1.0372E-03 5.0554E-05 -9.5710E-06 1.1448E-05 -2.2474E-06 0.0000E+00
6 0 -9.5074E-03 1.0268E-03 2.4209E-04 1.1234E-04 3.9355E-06 -9.7194E-06 7.9430E-07
7 0 -3.6269E-03 8.7662E-04 7.0010E-04 6.5578E-05 -2.0053E-05 -4.1923E-06 0.0000E+00
8 0 -1.2355E-02 1.8611E-03 1.5007E-04 -9.4899E-05 -8.0223E-06 -3.1794E-06 0.0000E+00
9 0 -7.3112E-03 9.3354E-04 2.5951E-06 -4.0614E-06 -8.8752E-06 -1.6836E-06 6.2706E-07
10 0 -2.7777E-03 7.1318E-04 3.0673E-05 -2.6126E-06 -2.9513E-06 5.1524E-07 0.0000E+00
11 0 -3.8232E-03 4.8687E-04 4.8505E-05 2.2064E-06 -4.0755E-06 5.8813E-07 0.0000E+00
Table 3
Table 4
# α1 α2 α3 α4 α5 α6 α7
2 0 3.1365E-04 -2.4756E-04 -3.2950E-05 -3.1474E-06 -6.6837E-07 -9.3198E-08
3 0 1.1887E-03 -5.1479E-04 -7.0886E-06 -6.6567E-06 7.3082E-07 -2.1508E-07
4 0 -6.7467E-03 1.6492E-03 -1.7937E-04 2.4668E-05 -6.1495E-08 -5.8827E-07
5 0 -1-8460E-02 3.8467E-03 -5.0388E-04 9.0675E-05 6.3951E-06 -4.2041E-06
6 0 -1.0557E-03 5.4851E-04 -1.1124E-04 1.2112E-04 -1.4549E-05 -1.0474E-06
7 0 -1.3355E-02 7.1465E-03 -1.8536E-03 4.1411E-04 -8.4044E-06 -6.4049E-06
8 0 -5.9360E-02 6.4070E-03 4.1503E-04 -2.5533E-04 4.3694E-05 -5.0293E-06
9 0 -5.6451E-02 9.0603E-03 -5.9225E-04 -1.1000E-04 2.2464E-05 -1.5043E-06
Table 5
# Radius Distance Nd/Vd Diameter Circular cone coefficient k
1 It is infinitely great 0.060 5.0 0.00
2 7.942 1.682 1.534809/55.6639 5.0 -7.2579
3 -15.778 2.040 5.0 17.1752
4 -2.644 2.143 1.639078/23.2529 5.0 -5.3812
5 -7.001 0.063 5.0 -8.3079
6 2.300 1.193 1.534809/55.6639 5.0 -0.5654
7 3.373 7.787 5.0 -0.1016
8 It is infinitely great 0.210 BK7 8.0
9 It is infinitely great 0.200 8.0
Table 6
# α1 α2 α3 α4 α5 α6 α7
2 0 -3.4545E-04 -2.6977E-04 -6.3091E-06 -7.6965E-07 0.0000E+00 0.0000E+00
3 0 -1.2414E-03 -3.0118E-04 1.6812E-05 -1.6865E-06 1.9446E-07 -1.1391E-08
4 0 3.0073E-03 -4.8811E-04 9.4948E-05 -5.7587E-06 1.0543E-07 0.0000E+00
5 0 3.6847E-03 -4.8608E-04 7.2121E-05 -2.9304E-06 0.0000E+00 0.0000E+00
6 0 -1.5774E-02 1.4580E-03 -2.6302E-04 2.3905E-05 -1.1017E-06 0.0000E+00
7 0 -8.6658E-03 1.2548E-03 -3.6145E-04 5.0797E-05 -3.8486E-06 1.1039E-07
Table 7
Define following term：" optics of lens height " " H " is that the optics of each lens element uses region (that is, light is direct From camera aperture by reaching sensor forming the region of image) maximum gauge.The term of four element lens modules is in figure Illustrate in 11A.Each element LnWith corresponding optical height " Hn”.H/2 be the figure shows as axis of symmetry and the arrow of labelling The distance between tip." camera opticses height " are the greatest optical height in all lens elements, in this case for H1。
" the light percentage ratio of stop " (each visual angle) is defined as in certain viewing angles (horizontal and vertical) from very remote right As the percentage ratio of light that reach camera and that imageing sensor is reached into camera aperture but not.It should be noted that phase Light blocking is increased with the reduction of the diameter of lens element.Figure 11 B illustrate long in four elements (by example) by inserting The stop 240 of a part of light that the diaphragm 250 between the element L3 and L4 of focus lens causes.Diaphragm (is also called " diaphragm " for short) It is configured to prevent light from reaching rims of the lens and scattering in all directions.
According to presently disclosed theme, the diameter of the lens element in focal length lens module is determined so that stopped by diaphragm Light do not prevent more than predetermined percentage incident illumination reach imageing sensor.
Long focus lens disclosed above allow to make it possible to realize the big of high pixel counts (for example, 13,000,000 pixel) Focal length sensor (＞ 4.5mm × 3.35mm).They provide low phase machine optical height, and which realizes low phase machine module height (for example, ＜ 1.25* (1+EFL/F#)=1.25* (1+ cameras aperture), sees also Figure 12 and Figure 13.
Collapsible long focus lens disclosed herein (for example, is 3) for all visual angles are allowed for the low F# of high zoom by ＜ Long EFL (for example, ＞ 10mm) obtaining the light (＜ 25%) of the stop of more light and optical resolution and low percentage ratio. As shown, collapsible focal length lens module can include such as 3 to 5 lens elements.This group of lens element Conjunction makes it possible to obtain high image quality with low price.
Note, the lens element of focal length lens module is by special construction (for example, cylinder), for example, (cold by Plastic Drum Cylinder) it is held in place by.Therefore, focal length lens module discussed herein is believed to comprise for lens element to be maintained at suitable When the structure and substrate (for example, one or more PCB) of position (cylinder).One or two magnet can be positioned at such as Figure 12 and On substrate illustrated in Figure 13 or on the side of substrate.Under any circumstance, their height is not essentially exceeding long focus lens The height of module.
Figure 12 shows the phase that disclosed herein and numbering is 1200 with (a) isometric view and (b) external view Machine.Camera 1200 includes double magnets (1202 and 1204) twin coil (1206 and 1208) the AF mechanisms of collapsible long focus lens.If Each pair magnet-coil is put to provide the power for long focus lens 1210 being made along its axis of symmetry movement.Power (and motion) is by spring 1212 retroactions (and reversely).
Figure 13 shows the camera that disclosed herein and numbering is 1300 with (a) isometric view and (b) external view. Compared with camera 1200, camera 1300 includes the unicoil (1306) and spring of the single magnet (1302) of collapsible long focus lens (1312) AF mechanisms.In Figure 12 and Figure 13 illustrated AF mechanisms be configured to according to voice coil actuator (VCA, commonly known as " magnetic actuator ") principle operation.
The AF mechanisms are specifically designed to be the camera profile for remaining relatively low.According to an example, AF mechanisms are designed to horizontal To on one or two face for fitting in focal length lens module, and other faces keep separating with AF mechanism sections.
Specifically, one or two magnet (being magnetically coupled to corresponding coil) is designed to height not essentially exceeding focal length The height of lens module, to avoid any significant contribution of the whole height to the sub- camera of collapsible focal length.
The design (shows the AF with a magnet in Figure 12 (showing the designs of the AF with two magnets) and Figure 13 Design) middle diagram.Note, although magnet vertical orientation is perpendicular to magnet on the one or both sides of focal length lens module The another two plane of positioning is (in subject side, by arrow OS labellings；With in substrate-side, by arrow SS labellings) keep and magnet Separate.In general, this design of AF mechanisms and magnet reduce (or in some configurations, avoiding completely) especially significantly can The increase of the total height of the sub- camera of focal length that can have been caused by AF mechanisms.
According to an example, the height of magnet (for example, is determined by highest lens less than or equal to the height of focal length lens module Justice).According to another example, the height of magnet is more than 10% less than the height of focal length lens module.According to another example, magnet Height less than focal length lens module height be more than 5%.According to another example, the height of magnet is less than Tele lens moulds The height of block is more than 2.5%.
Whole camera (including AF mechanisms) can be encapsulated in height HTThe low profile mechanical packaging of (height is amounted to) is (outward Shell) in 1250, see Figure 12 (b) so that can include in low profile mobile phone zoom Based on Dual-Aperture disclosed herein or Three aperture cameras so that HTEqual to or less than 6.5mm, and in some instances, equal to or less than 5.7.
Figure 14 show the example according to presently disclosed theme with integrated with collapsible focal length lens module The schematic diagram of the example of the portable electric appts of Based on Dual-Aperture camera.As illustrated in image, camera 1450 (includes with folding The Based on Dual-Aperture camera of stacked focal length lens module and camera case) it is completely integrated in portable electric appts 1400, and not Project from device housings.Camera is oriented in portable set so that its longitudinal size is positioned relative to equipment level.Due to length The folded-optics path of burnt sub- camera, which can provide high Zoom effect (for example, X5 or bigger), while having not from electricity The structure that the shell of sub- equipment (for example, smart phone) is projected.
Although being described to the disclosure according to some embodiments and general associated method, embodiment Change and displacement with method will be apparent to those skilled in the art.The disclosure will be understood to not by this The restriction of the specific embodiment described in text, but be only defined by the appended claims.

Claims (30)

1. a kind of digital camera, including：
A the sub- camera of () Radix Rumiciss, is configured to provide wide angle picture, and including pantoscope module and wide angle picture sensor, Pantoscope pair of the pantoscope module with the first optical path along between subject side and wide angle picture sensor Claim axle；
B the sub- camera of () focal length, is configured to provide focal length image and including focal length lens module and focal length imageing sensor, institute Focal length lens module is stated with the focal length along the second optical path for being substantially perpendicular to the pantoscope axis of symmetry positioning Lens axis of symmetry；With
(c) first reflecting element, with relative to the pantoscope axis of symmetry and the basic updip of the long focus lens axis of symmetry Oblique 45 degree of the first reflecting element axis of symmetry, and be operable to carry between the object and the focal length imageing sensor For folded-optics path,
Wherein, the focal length lens module includes one group of at least 3 lens element, and it is basic that the lens element is designed to diameter The diameter in the upper aperture less than the sub- camera of the focal length.
2. camera according to claim 1, wherein, the lens element in described a group is designed such that the light for stopping not More than the light of 25% into the focal length lens module.
3. camera according to claim 1, wherein, the focal length lens module is configured so that can be in the focal length Image is generated in the whole region of imageing sensor.
4. camera according to claim 1, wherein, the effective focal length (EFL) of the sub- camera of the focal length>9mm and F#<3, and And be configured to, for all visual angles, stop the light less than 25% into the sub- camera aperture of focal length.
5. camera according to claim 1, wherein, the focal length lens module is characterised by height less than 5.7mm.
6. camera according to claim 1, wherein, the focal length imageing sensor is located at and is substantially perpendicular to the focal length In the plane of lens axis of symmetry.
7. camera according to claim 1, also saturating along the focal length axis of symmetry movement focal length including being configured to Focal length auto-focusing (AF) mechanism of mirror, the height of the height of the AF mechanisms not essentially exceeding the focal length lens module.
8. camera according to claim 7, wherein, the AF mechanisms include one or more magnetic for being coupled to corresponding coil Body, the magnet and coil are laterally positioned on the one or both sides of the focal length lens module, and height is substantially not More than the height of the focal length lens module.
9. camera according to claim 8, wherein, the AF mechanisms only include a magnet for being coupled to corresponding coil.
10. camera according to claim 1, also including the second reflecting element, which is located at the focal length lens module and institute State in the second optical path between focal length imageing sensor, second reflecting element is configured to parallel to described second The light that optical path is propagated is guided towards first optical path, wherein, the focal length is located at perpendicular as sensor In the plane of the pantoscope axis of symmetry.
11. cameras according to claim 10, also including focal length auto-focusing (AF) mechanism, which is configured to along second Reflecting element axis of symmetry moves second reflecting element.
12. cameras according to claim 10, also including focal length auto-focusing (AF) mechanism, which is configured to along described Long focus lens axis of symmetry moves the focal length lens module.
13. cameras according to claim 1, wherein, the pantoscope module has wide-angular field FOVW, and it is described Focal length lens module is with than FOVWNarrow far visual field FOVT, the camera is also including middle burnt sub- camera, the middle burnt sub- camera quilt Burnt image and including with meeting FOV in being configured to provideW>FOVM>FOVTVisual field FOVMMiddle focus lens module and middle Jiao Imageing sensor, the middle focus lens module have middle focus lens axis of symmetry, wherein, the camera is operably connected at least One processor, at least one processor are configured to for the focal length image and the wide angle picture to be processed as output figure Picture, and wherein, at least one processor is further configured to the middle burnt image and the focal length image or described wide Angle image is processed as output image together.
14. cameras according to claim 13, wherein, the middle burnt sub- camera has equal to the sub- camera of the Radix Rumiciss The EFL of the geometrical mean of the EFL of EFL and the sub- camera of the focal length.
15. cameras according to claim 13, wherein, it is saturating that the middle focus lens axis of symmetry is substantially perpendicular to the Radix Rumiciss Mirror axis of symmetry, wherein, the middle burnt imageing sensor is located at and is substantially perpendicular in the plane of the middle focus lens axis of symmetry, and And wherein, the focal length imageing sensor is located at and is substantially perpendicular in the plane of the long focus lens axis of symmetry.
16. cameras according to claim 13, also including middle burnt auto-focusing (AF) mechanism, which is configured to along basic On move the middle focus lens module perpendicular to the described middle focus lens axis of symmetry of the pantoscope axis of symmetry；With focal length AF machine Structure, which is configured to move the focal length lens module along the long focus lens axis of symmetry, wherein, the Zhong Jiao AF mechanisms and Height of the height of the focal length AF mechanism not essentially exceeding the focal length lens module.
17. cameras according to claim 15, also including the 3rd reflecting element, which is relative to the pantoscope axis of symmetry With the generally ramped 45 degree of angles of the middle focus lens axis of symmetry, the 3rd reflecting element is configured in the subject side and described Folded-optics path is provided between middle burnt imageing sensor.
18. cameras according to claim 17, also including being positioned at the middle focus lens module and the middle burnt image is passed The 4th reflecting element in the 4th optical path between sensor, the 4th reflecting element are configured to parallel to described The light that two optical paths are propagated is guided towards first optical path, wherein, the middle burnt imageing sensor is located at substantially In plane parallel to the middle focus lens axis of symmetry.
19. cameras according to claim 13, are operably connected at least one processor, and described at least one is processed Device is configured to export by using for arranging FOVWAnd FOVMBetween FOV ZF Radix Rumiciss and middle burnt image formed it is defeated Go out image.
20. cameras according to claim 13, are operably connected at least one processor, and described at least one is processed Device is configured to export by using for arranging FOVMWith FOVTBetween FOV ZF middle burnt and focal length image formed it is defeated Go out image.
21. cameras according to claim 16, wherein, the Zhong Jiao AF mechanisms include be coupled to corresponding coil one or Multiple magnets, the magnet and coil are laterally positioned on the one or both sides of the focal length lens module and height is basic The upper height less than the focal length lens module.
22. cameras according to claim 21, wherein, the Zhong Jiao AF mechanisms only include be coupled to corresponding coil one Magnet.
23. a kind of mobile electronic devices, including the inner camera of the enclosure for being integrated in the electronic equipment, the camera bag Include：
A the sub- camera of () Radix Rumiciss, is configured to provide wide angle picture and including pantoscope module and wide angle picture sensor, institute State pantoscope of the pantoscope module with the first optical path along between subject side and the wide angle picture sensor Axis of symmetry；
B the sub- camera of () focal length, is configured to provide focal length image and including focal length lens module and focal length imageing sensor, institute Focal length lens module is stated with the long focus lens axis of symmetry along the second optical path, the long focus lens axis of symmetry is oriented to The pantoscope axis of symmetry is substantially perpendicular to, wherein, the focal length lens module includes one group of 3 to 5 lens element, and And wherein, the lens element in described group is designed to diameter not essentially exceeding the straight of the aperture of the sub- camera of the focal length Footpath；With
(c) first reflecting element, with relative to the pantoscope axis of symmetry and the basic updip of the long focus lens axis of symmetry Oblique 45 degree of the first reflecting element axis of symmetry, and be operable to carry between the object and the focal length imageing sensor For folded-optics path.
24. electronic mobile devices according to claim 23, wherein, the lens element in described group is designed to make Light of the light that must stop less than 25% into the focal length lens module.
25. electronic mobile devices according to claim 23, wherein, described group be designed such that can be in the focal length Image is generated in the whole region of imageing sensor.
26. electronic mobile devices according to claim 23, wherein, the sub- camera effective focal length (EFL) of the focal length>9mm And F#<3, and be configured to, for all visual angles, stop the light less than 25% into the sub- camera aperture of the focal length.
27. electronic mobile devices according to claim 23, wherein, the focal length lens module is characterised by height not More than 6.5mm.
28. electronic mobile devices according to claim 23, wherein, the sub- camera of the focal length also includes focal length auto-focusing (AF) mechanism, which is configured to move the long focus lens along the focal length axis of symmetry, and the focal length AF mechanism includes coupling To one or more magnets of corresponding coil, the magnet and coil are laterally positioned at the side of the focal length lens module Or on both sides and height not essentially exceeding the focal length lens module height.
A kind of 29. digital cameras of the inside the shell for being configured to be integrated in electronic equipment, the camera include：
A the sub- camera of () Radix Rumiciss, is configured to provide wide angle picture and including pantoscope module and wide angle picture sensor, institute State pantoscope of the pantoscope module with the first optical path along between subject side and the wide angle picture sensor Axis of symmetry；
B the sub- camera of () focal length, is configured to provide focal length image and including focal length lens module and focal length imageing sensor, institute Focal length lens module is stated with the long focus lens axis of symmetry along the second optical path and is oriented to be substantially perpendicular to institute Pantoscope axis of symmetry is stated, wherein, the focal length lens module includes one group of 3 to 5 lens element, and the lens element is set Diameter of the diameter not essentially exceeding the aperture of the sub- camera of the focal length is counted into, is enabled in the focal length imageing sensor Whole region on generate image, and make it possible to into the focal length lens module at least 75% light towards the length Burnt imageing sensor passes through；
(c) first reflecting element, with relative to the pantoscope axis of symmetry and the basic updip of the long focus lens axis of symmetry Oblique 45 degree of the first reflecting element axis of symmetry, and be operable to carry between the object and the focal length imageing sensor For folded-optics path；With
D () focal length auto-focusing (AF) mechanism, is configured to move the long focus lens, the length along the focal length axis of symmetry Burnt AF mechanisms include that one or more magnets for being coupled to corresponding coil, the magnet and coil are laterally positioned at the focal length On the one or both sides of lens module, and height is not essentially exceeding the height of the focal length lens module.
30. cameras according to claim 29, wherein, the EFL of the sub- camera of the focal length>9mm and F#<3, and its In, the focal length lens module is characterised by height less than 6.5mm.
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CN202311265578.5A CN117082325A (en) 2014-08-10 2015-08-07 Zoom dual aperture camera with folding lens
CN201811341619.3A CN109302553B (en) 2014-08-10 2015-08-07 Zoom double-aperture camera with folding lens
CN201811413356.2A CN109348112B (en) 2014-08-10 2015-08-07 Zoom double-aperture camera with folding lens
CN202311265091.7A CN117119281A (en) 2014-08-10 2015-08-07 Zoom dual aperture camera with folding lens
CN202311259093.5A CN117061850A (en) 2014-08-10 2015-08-07 Zoom dual aperture camera with folding lens
CN202311265979.0A CN117156246A (en) 2014-08-10 2015-08-07 Zoom dual aperture camera with folding lens
CN201811309090.7A CN109451212B (en) 2014-08-10 2015-08-07 Zoom double-aperture camera with folding lens
CN201811261825.3A CN109246347B (en) 2014-08-10 2015-08-07 Zoom double-aperture camera with folding lens
CN202110964226.3A CN113630540B (en) 2014-08-10 2015-08-07 Zoom dual aperture camera with folding lens
CN202311270095.4A CN117156247A (en) 2014-08-10 2015-08-07 Zoom dual aperture camera with folding lens
CN202110092494.0A CN112866534B (en) 2014-08-10 2015-08-07 Tele lens module
CN202310716992.7A CN116684719A (en) 2014-08-10 2015-08-07 Zoom dual aperture camera with folding lens
CN202311269674.7A CN117082326A (en) 2014-08-10 2015-08-07 Zoom dual aperture camera with folding lens
CN202311259207.6A CN117119280A (en) 2014-08-10 2015-08-07 Zoom dual aperture camera with folding lens

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US14/717,258 US9392188B2 (en) 2014-08-10 2015-05-20 Zoom dual-aperture camera with folded lens
US14/717,258 2015-05-20
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